linux-kernel - Re: [PATCH 6/6] arm64: dts: ti: k3-am62a-wakeup: add VTM node

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Message-ID: <20230119232938.n5qh5qb4mj6xdv6w@bryanbrattlof.com>
Date:   Thu, 19 Jan 2023 17:29:38 -0600
From:   Bryan Brattlof <bb@...com>
To:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     ARM Linux Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/6] arm64: dts: ti: k3-am62a-wakeup: add VTM node

NAK: My apologies for the noise :(

On January 19, 2023 thus sayeth Bryan Brattlof:
> The am62ax supports a single Voltage and Thermal Management (VTM) device
> located in the wakeup domain with three associated temperature monitors
> located in various hot spots of the die.
> 
> Signed-off-by: Bryan Brattlof <bb@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi | 47 ++++++++++++++++++++
>  arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi  |  8 ++++
>  arch/arm64/boot/dts/ti/k3-am62a.dtsi         |  2 +
>  3 files changed, 57 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am62a-thermal.dtsi
>

...

> +
> +	main1_thermal: main1-thermal {
> +		polling-delay-passive = <250>;	/* milliSeconds */
> +		polling-delay = <500>;		/* milliSeconds */
> +		thermal-sensors = <&wkup_vtm0 0>;
				  ^^^^^^^^^^^^^^
This should be <&wkup_vtm0 1>

> +
> +		trips {
> +			main1_crit: main1-crit {
> +				temperature = <125000>;	/* milliCelsius */
> +				hysteresis = <2000>;	/* milliCelsius */
> +				type = "critical";
> +			};
> +		};
> +	};
> +
> +	main2_thermal: main2-thermal {
> +	       polling-delay-passive = <250>;	/* milliSeconds */
> +	       polling-delay = <500>;		/* milliSeconds */
> +	       thermal-sensors = <&wkup_vtm0 0>;
				 ^^^^^^^^^^^^^^
<&wkup_vtm0 2>

> +		trips {
> +			main2_crit: main2-crit {
> +				temperature = <125000>;	/* milliCelsius */
> +				hysteresis = <2000>;	/* milliCelsius */
> +				type = "critical";
> +			};
> +		};
> +	};
> +};

Apologies for the noise again
~Bryan